Sony CMT-BX1 Service Manual page 81

2-4. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
(BX5BT)
(Refer to page
31 on original
service manual)
(CBX3)
FM 75Ω
COAXIAL
TUNER
ANTENNA
(FM/AM)
AM
HCD-BX5BT/CBX1/CBX3
(4/4)
Q324
RT1N141C
CN323
15P
BT_AV_ROLE
54
BT_CTS
57
BT_RXD
31
BT_RTS
34
R499
BT_TXD
32 10k
58
BT_RESET
55
DGND
DVDD5
AVDD5
AOUTL R107 4.7k R108 47k
AGND
AOUTR R207 4.7k R208 47k
AINR R214 47k
R443
100k
AGND R215 100k
AINL R114 47k
R115 100k C349
R447
22
1k
50V
CN310
9P(BX5BT/CBX1)
11P(CBX3) R451
1k
RDS DATA
95
RDS CLK
18 Q313
2SC3052FT1-LF
DO/STEREO
1
ST CLK
2
ST DIN
3
ST CE
100
C322
NC
220
10V
AGND
R OUT
+9V
L OUT
JR107
0
(BX5BT)
R488 R487
470 10k
Q323
KTA1271Y
Q323-325
R480
22k B+ SWITCH
Q325
2SC3052F
OUTPUT SELECT
R438 R402
1k 2.2k
R440 Q311
1k 2SA1365
Q311,313
B+ SWITCH
D307
MC2837
JR207
0
5 5
C118
R479
4.7
100
50V
C110
4.7
JR104 C308 R113 50V
C115 0 0.1 100k
1 R112 R455
50V 100k 2.2k
R111
100k
R452
10k
C331
2.2
50V
R456
2.2k
IC309 C309
MC14052B 100
16V
Q310
RT1N141C
INVERTER
JR215
0
JR204 C218
0 4.7
50V
C215
1 R212
50V 100k
R211
100k
R213
100k
HCD-BX5BT/CBX1/CBX3
DGND
(Page
3)
+9V
A
DACGND
JR227
0
56
VCC2
AVDD5
AOUTL
AOUTR
TU-L
LIN
L
(Page
RIN
4)
R
TU-R
C210
4.7
50V